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the first and most complex of life's many forms, self-replicating matter, also gives rise to simple chemical reactions in which local minima are difficult to reach and which produce no waste. In the absence of a process which would return the chemical elements to their original state, the trend is towards more highly complex and surprisingly intricate structures.
matter is primarily made of atoms. There could hardly be any other building blocks! So atoms are dealt with in the first half of the book, while the latter half is devoted to the really fascinating matter of how atoms act in the nucleus.
[...] describes some of the physical principles which permit a nucleus to be held together by the strong force. The strong force continues to frustrate the efforts of physicists to describe the properties of subatomic particles by extrapolation from the properties encountered at everyday scale.
A very large number of particles are believed to be made out of the quarks and electrons which comprise the leptons, but quarks are more mysterious than electrons, and the theories which seek to explain the origin of matter remain somewhat elusive. Some physicists have made similar attempts to explain the origin of matter, despite the success of quantum mechanics in explaining many phenomena on a very small scale.
an attempt to formulate theories is always on the deathbed, and against the current of the complex things becoming simpler and simpler. But all theories are accompanied by additional assumptions (such as the assumption that the universe arises from nothing), and also are constrained in terms of the elementary particles which they are allowed to treat in their calculations. At the point of submission, the model considered promise to be the most likely outcome. d2c66b5586